Home / 212,581,626,453.06-318,872,746,574.88-86,812,223,489.10

Finding the Fourth Proportional to 212,581,626,453.06, 318,872,746,574.88 and 86,812,223,489.10

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Solution

The fourth proportional to 212,581,626,453.06, 318,872,746,574.88 and 86,812,223,489.10 is: 130,218,460,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,581,626,453.06 : 318,872,746,574.88 = 86,812,223,489.10 : x
  2. Step 2: Convert to fraction form
    212,581,626,453.06/318,872,746,574.88 = 86,812,223,489.10/x
  3. Step 3: Cross multiply
    212,581,626,453.06x = 318,872,746,574.88 × 86,812,223,489.10
  4. Step 4: Simplify right side
    212,581,626,453.06x = 27,682,052,140,241,631,838,208
  5. Step 5: Solve for x
    x = 27,682,052,140,241,631,838,208/212,581,626,453.06
  6. Step 6: Final answer
    x = 130,218,460,560.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.